Comparison

How It Works? vs Math Ninja AR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

How It Works?

Explore the wonders of our world through interactive games, animations, and explanations. This app makes learning about natural phenomena engaging and fun for children, fostering curiosity and understanding of the planet.

Highlights
  • Interactive games
  • Animations
  • Clear explanations
  • Big images
  • Experiments
  • Locutions for non-readers
Features
Read full description

Allow your children to learn about how our world works and discover its beauty through a fun and interactive application full of games, images and animations. How it Works? is a very entertaining didactic application that gives the children the opportunity to explore how our world works through animations, small explanations, games and locutions. It includes small lectures that teaches them about the plants, the energies, the volcanoes, the planet and its interior, the water’s cycle and many more natural phenomena. What is in the Application How it Works? ===================================== • Big images to understand the context • Animations to comprehend the functioning of the phenomena • Easy to do experiments • Simple and clear explanations • Fun games to reinforce the learning • Locutions to facilitate the comprehension of the non-readers Download How it Works? and allow your children, grandchildren or students to explore some of the most interesting natural phenomena of our planet. Show them how they work internally and on the outside, satisfy their curiosity and make them participate in how we can make the world better with small everyday actions. How does it work? =================== The kids are free to explore the games in the order they want, see images watch videos and read about the thrilling planet Earth! Or they can play games and challenge their knowledge! With How it Works? the little ones discover how the world works at their own pace and according to their own interests. We believe that you will find, nevertheless, that when they play How it Works?, that they are intuitively drawn to learn about things they never thought to explore. How it Works? is a game that makes the learning and even better, the comprehension, of how some phenomena develops more fun and mild. It is full of curiosities, contents, images, applications and games to reach all kind of children. The kids have access to a broad range of contents of interest about the planet, everything in only one app! • Without third party advertising How it Works? is the perfect application to install in your device when you make a long trip in car, plane, train or bus. Enjoy your time, while allowing your children to have fun and learn in an exciting way for them. ABOUT LEARNY LAND At Learny Land, we love to play, and we believe that games must form part of the educational and growth stage of all children; because to play is to discover, explore, learn and have fun. Our educational games help children learn about the world around them and are designed with love. They are easy to use, beautiful and safe. Because boys and girls have always played to have fun and learn, the games we make - like the toys that last a lifetime - can be seen, played and heard. At Learny Land we take advantage of the most innovative technologies and the most modern devices to take the experience of learning and playing a step further. We create toys that could not have existed when we were young. Read more about us at www.learnyland.com. Privacy Policy We take Privacy very seriously. We do not collect or share personal information about your children or allow any type of third party ads. To learn more, please read our privacy policy at www.learnyland.com. Contact us We'd love to know your opinion and your suggestions. Please, write to support@learnyland.com. Terms of Use: http://learnyland.com/terms-of-service/

About

Math Ninja AR

This app uses augmented reality to make learning math engaging for children. By combining physical movement with interactive math problems in a 3D world, it aims to improve concentration and memory retention of sums.

Highlights
  • Augmented reality math learning
  • Physical activity for memory stimulation
  • Interactive 3D Ninja World exploration
  • Collectible cards
  • No in-app purchases
Features
Read full description

Ranked in the top 10 apps for 6 to 8 year olds in 109 countries! Stimulate your body & brain and memorize sums you’ll never forget! Boost Your Concentration and Memory with Body & Brain Activity! Ever wonder why you still know how to ride a bicycle despite everything else you have forgotten? “Math Ninja AR” was developed with the use of the latest AR technology, based on the concept that simultaneous stimulation to both your body and brain is the key to developing a long-term memory. Our goal is to provide experiences and sums, kids will never forget. Find the Villager with the Correct Answer! Explore every nook and cranny of the 3D Ninja World to find the villager with the correct answer to the math question. Physical movements of stretching, bending, squatting, crawling, reaching and peering will stimulate a child’s memory whilst providing a parent an opportunity for easy exercise. New Stage “Ninja Tower” Added and No More In-App Purchase! Together with the addition of a new ninja stage, we decided to remove in-app purchase in the hope that more and more kids are able to enjoy the world of Math Ninja AR. Enjoy all contents free of charge! [How to Play] - Find a flat surface through the camera view and tap to materialize the Math Ninja World - Find the villager with the correct answer to the formula located in the clouds - Win a card after every stage and collect a total of 50 cards! The PSG series have proven to be a big hit in Japan with 3 million downloads and over 1000 million problems solved.

Screenshots

How It Works?4 screens
Math Ninja AR4 screens

Verdict

The call

The clearest difference is rating: Math Ninja AR at 4.5 against How It Works?'s 3.9. Math Ninja AR also leads on in-app purchases (none vs 4) and update cadence (every 3 weeks vs every 4 months). How It Works?'s advantage is review sentiment (37% vs 28%). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. How It Works? sells 4 in-app purchases, starting at $7.99 per month. Math Ninja AR asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Math Ninja AR holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 65 and 299 respectively. Written reviews complicate that: 37% of How It Works?'s written reviews are positive against 28% of Math Ninja AR's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

How It Works? ships an update every 4 months, Math Ninja AR every 3 weeks. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
How It Works? versus Math Ninja AR: the parameters behind the verdict, then further details
ParameterHow It Works?Math Ninja AR
PriceFreeFree
Rating3.9 (65 ratings)4.5 (299 ratings) — better
Positive reviews36.8% of reviews — better28.3% of reviews
Number of ratings65299 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size340 MB157 MB
Age rating4+4+
DeveloperLearny LandFantamstick

Customer experience

How It Works?

All ratings65 ratings
Positive67.7%
Neutral12.3%
Negative20.0%
Written reviews19 reviews
Positive36.8%
Neutral15.8%
Negative47.4%

Math Ninja AR

All ratings299 ratings
Positive86.3%
Neutral7.4%
Negative6.4%
Written reviews46 reviews
Positive28.3%
Neutral8.7%
Negative63.0%

Bugs and requests

How It Works?

Not enough reviews yet to summarise bugs or requests.

Math Ninja AR

Reported bugs

9 issues
  • App doesn't work
  • Doesn't load
  • Freezes at start screen
  • Screen flashes
  • Dark screen after selecting level
Show 4 more
  • Button in foreign language
  • Missing correct answers
  • Ghost icon issue
  • Cannot delete ghost icon

Requested features

9 requests
  • Make more for all subjects
  • Combine AR with VR
  • Add instructions
  • Add difficulty settings
  • Add rewards
Show 4 more
  • Fix ghost icon issue
  • Disable download for non-AR devices
  • Add documentation
  • Add microphone/camera permission requests

In-app purchases

4 purchases

How It Works?

Subscriptions4
  • Learny Land Pass - Monthly7 Days trial$7.991 Month
  • Learny Land Pass - Monthly7 Days trial$8.991 Month
  • Learny Land Pass - Annual7 Days trial$39.991 Year
Show 1 more
  • Learny Land Pass - Annual7 Days trial$49.991 Year
None

Math Ninja AR

No in-app purchases

Questions

Is How It Works? free?
How It Works? is free to download, with in-app purchases available.
Is Math Ninja AR free?
Math Ninja AR is free to download, with no in-app purchases.
Which has better reviews, How It Works? or Math Ninja AR?
Math Ninja AR is rated higher. How It Works? averages 3.9 out of 5 from 65 ratings, while Math Ninja AR averages 4.5 from 299 ratings.
Do How It Works? or Math Ninja AR have ads?
Neither How It Works? nor Math Ninja AR shows ads.
Which is updated more often, How It Works? or Math Ninja AR?
How It Works? ships an update every 4 months, and Math Ninja AR every 3 weeks. Most recently, How It Works? was updated on October 6, 2026 and Math Ninja AR on October 22, 2026.

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